package com.itheima.mapper;

import com.itheima.pojo.Role;

import java.util.Set;

/**
 * @description:
 * @author: wangjingliang
 * @create: 2019-11-24 21:44
 **/
public interface RoleMapper {

    //根据用户id查询角色及其权限
    Set<Role> selectByUserId(Integer id);
}
